Granted Patent
Utility
US 6,128,113 · App. 09/034,482
Transparent optical communications switch
Inventor:
Kevin A. DeMartino
Patented Case
View Patent ↗
Granted: Oct 3, 2000
Filed: Mar 4, 1998
Inventor
Kevin A. DeMartino
Assignee (at issue)
Dynamics Research Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.